42157090

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{4129}}^1$

素因数の和:5157

約数の個数: 16

約数和(自身を含む): 75975480

約数和(自身を除く): 33818390

約数列:

[1, 2, 5, 10, 1021, 2042, 4129, 5105, 8258, 10210, 20645, 41290, 4215709, 8431418, 21078545, 42157090]

約数ペア:

[(1, 42157090), (2, 21078545), (5, 8431418), (10, 4215709), (1021, 41290), (2042, 20645), (4129, 10210), (5105, 8258)]